摘要:
To provide a colored glass plate, which uses sodium sulfate (Na2SO3) as a refining agent and which is capable of stably maintaining the mass percentage of divalent iron calculated as Fe2O3 in the total iron calculated as Fe2O3 at a high level, while suppressing development of an amber color that is derived from sodium sulfate. A colored glass plate made of alkali-containing silica glass containing elements of iron, tin and sulfur, wherein the percentage of the total sulfur calculated as SO3 is at least 0.025% as represented by mass percentage based on oxides, the percentage of divalent iron calculated as Fe2O3 in the total iron calculated as Fe2O3 is from 60 to 80% as represented by mass percentage, and the percentage of divalent tin calculated as SnO2 in the total tin calculated as SnO2 is at least 0.1% as represented by mol percentage.
摘要翻译:提供一种使用硫酸钠(Na 2 SO 3)作为澄清剂的彩色玻璃板,其能够稳定地维持以Fe 2 O 3计算的总铁中以Fe 2 O 3计算的二价铁的质量百分比,并以高水平计算,同时抑制 来自硫酸钠的琥珀色。 由含有铁,锡和硫元素的含碱性硅玻璃制成的彩色玻璃板,其中以SO 3计算的总硫的百分比为0.025%,以氧化物为基准的质量百分比表示,计算的二价铁的百分比 以Fe 2 O 3计算的总铁中的Fe 2 O 3以质量百分比表示为60〜80%,以SnO 2计的总锡中计算的二价锡的百分比以摩尔百分比表示为至少0.1%。
摘要:
To provide a colored glass plate, which uses sodium sulfate (Na2SO3) as a refining agent and which is capable of stably maintaining the mass percentage of divalent iron calculated as Fe2O3 in the total iron calculated as Fe2O3 at a high level, while suppressing development of an amber color that is derived from sodium sulfate. A colored glass plate made of alkali-containing silica glass containing elements of iron, tin and sulfur, wherein the percentage of the total sulfur calculated as SO3 is at least 0.025% as represented by mass percentage based on oxides, the percentage of divalent iron calculated as Fe2O3 in the total iron calculated as Fe2O3 is from 60 to 80% as represented by mass percentage, and the percentage of divalent tin calculated as SnO2 in the total tin calculated as SnO2 is at least 0.1% as represented by mol percentage.
摘要翻译:提供一种使用硫酸钠(Na 2 SO 3)作为澄清剂的彩色玻璃板,其能够稳定地维持以Fe 2 O 3计算的总铁中以Fe 2 O 3计算的二价铁的质量百分比,并以高水平计算,同时抑制 来自硫酸钠的琥珀色。 由含有铁,锡和硫元素的含碱性硅玻璃制成的彩色玻璃板,其中以SO 3计算的总硫的百分比为0.025%,以氧化物为基准的质量百分比表示,计算的二价铁的百分比 以Fe 2 O 3计算的总铁中的Fe 2 O 3以质量百分比表示为60〜80%,以SnO 2计的总锡中计算的二价锡的百分比以摩尔百分比表示为至少0.1%。
摘要:
To provide an alkali-free glass substrate, which has a high Young's modulus, a low linear expansion coefficient, a high strain point and a low density, does not devitrify in the float forming process and is excellent in acid resistance.An alkali-free glass substrate, which contains neither alkali component nor BaO and consists essentially of, as represented by mol % based on oxide, from 57.0 to 65.0% of SiO2, from 10.0 to 12.0% of Al2O3, from 6.0 to 9.0% of B2O3, from 5.0 to 10.0% of MgO, from 5.0 to 10.0% of CaO and from 2.5 to 5.5% of SrO, provided that MgO+CaO+SrO is from 16.0 to 19.0%, MgO/(MgO+CaO+SrO)≧0.40, and B2O3/(SiO2+Al2O3+B2O3)≦0.12; wherein Young's modulus ≧75 GPa; the linear expansion coefficient at from 50 to 350° C. is from 30×10−7/° C. to 40×10−7/° C.; the strain point ≧640° C.; the temperature T2 (the viscosity η satisfies log η=2)≦1,620° C.; the temperature T4 (the viscosity η satisfies log η=4)≦1,245° C.; the devitrification temperature ≦T4; and weight loss per unit area is at most 0.6 mg/cm2, when immersed in 0.1N HCl at 90° C. for 20 hours.
摘要翻译:为了提供具有高杨氏模量,低线膨胀系数,高应变点和低密度的无碱玻璃基板,在浮法成形工艺中不会失透,并且耐酸性优异。 不含碱成分和BaO的碱性玻璃基材,其基本上由氧化物的摩尔%表示,SiO 2为57.0〜65.0%,Al 2 O 3为10.0〜12.0%,Al 2 O 3为6.0〜9.0% B 2 O 3,MgO 5.0〜10.0%,CaO 5.0〜10.0%,SrO 2.5〜5.5%,MgO + CaO + SrO为16.0〜19.0%,MgO /(MgO + CaO + SrO)≥ 0.40和B2O3 /(SiO2 + Al2O3 + B2O3)≦̸ 0.12; 其中杨氏模量≥75GPa; 50〜350℃的线膨胀系数为30×10 -7 /℃至40×10 -7 /℃。 应变点≧640℃。 温度T2(粘度&eegr;满足log&eegr = 2)≦̸ 1,620℃。 温度T4(粘度&eegr;满足log&eegr; = 4)≦̸ 1,245℃; 失透温度≦̸ T4; 当在90℃下浸入0.1N HCl中20小时时,每单位面积的重量损失为0.6mg / cm 2以下。
摘要:
To provide an alkali-free glass substrate, which has a high Young's modulus, a low linear expansion coefficient, a high strain point and a low density, does not devitrify in the float forming process and is excellent in acid resistance.An alkali-free glass substrate, which contains neither alkali component nor BaO and consists essentially of, as represented by mol % based on oxide, from 57.0 to 65.0% of SiO2, from 10.0 to 12.0% of Al2O3, from 6.0 to 9.0% of B2O3, from 5.0 to 10.0% of MgO, from 5.0 to 10.0% of CaO and from 2.5 to 5.5% of SrO, provided that MgO+CaO+SrO is from 16.0 to 19.0%, MgO/(MgO+CaO+SrO)≧0.40, and B2O3/(SiO2+Al2O3+B2O3)≦0.12; wherein Young's modulus ≧75 GPa; the linear expansion coefficient at from 50 to 350° C. is from 30×10−7/° C. to 40×10−7/° C.; the strain point ≧640° C.; the temperature T2 (the viscosity η satisfies log η=2)≦1,620° C.; the temperature T4 (the viscosity η satisfies log η=4)≦1,245° C.; the devitrification temperature ≦T4; and weight loss per unit area is at most 0.6 mg/cm2, when immersed in 0.1N HCl at 90° C. for 20 hours.
摘要翻译:为了提供具有高杨氏模量,低线膨胀系数,高应变点和低密度的无碱玻璃基板,在浮法成形工艺中不会失透,并且耐酸性优异。 不含碱成分和BaO的碱性玻璃基材,其基本上由氧化物的摩尔%表示,SiO 2为57.0〜65.0%,Al 2 O 3为10.0〜12.0%,Al 2 O 3为6.0〜9.0% B2O3为5.0〜10.0%,CaO为5.0〜10.0%,SrO为2.5〜5.5%,MgO + CaO + SrO为16.0〜19.0%,MgO /(MgO + CaO + SrO) = 0.40,B2O3 /(SiO2 + Al2O3 + B2O3)= 0.12; 其中杨氏模量> 75GPa; 在50至350℃的线性膨胀系数为30×10 -7 /℃至40×10 -7 /℃。 应变点> = 640°C。 温度T2(粘度eta满足log eta = 2)= 1,620℃。 温度T4(粘度eta满足log eta = 4)<= 1,245℃。 失透温度<= T4; 当在90℃下浸入0.1N HCl中20小时时,每单位面积的重量损失为0.6mg / cm 2以下。